diff options
Diffstat (limited to 'src/build/cmeta.h')
| -rw-r--r-- | src/build/cmeta.h | 115 |
1 files changed, 58 insertions, 57 deletions
diff --git a/src/build/cmeta.h b/src/build/cmeta.h index 86ae0ec..2a3f741 100644 --- a/src/build/cmeta.h +++ b/src/build/cmeta.h @@ -1,5 +1,5 @@ /* - * Copyright © 2024 Michael Smith <mikesmiffy128@gmail.com> + * Copyright © 2025 Michael Smith <mikesmiffy128@gmail.com> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -17,71 +17,72 @@ #ifndef INC_CMETA_H #define INC_CMETA_H +#include "../intdefs.h" #include "../os.h" -struct cmeta; +// XXX: leaking chibicc internals. won't matter after we do away with that +typedef struct Token Token; -const struct cmeta *cmeta_loadfile(const os_char *path); +enum cmeta_item { + CMETA_ITEM_DEF_CVAR, // includes all min/max/unreg variants + CMETA_ITEM_DEF_CCMD, // includes plusminus/unreg variants + CMETA_ITEM_DEF_EVENT, // includes predicates + CMETA_ITEM_HANDLE_EVENT, + CMETA_ITEM_FEATURE, + CMETA_ITEM_REQUIRE, // includes all REQUIRE_*/REQUEST variants + CMETA_ITEM_GAMESPECIFIC, + CMETA_ITEM_PREINIT, + CMETA_ITEM_INIT, + CMETA_ITEM_END +}; -/* - * Iterates through all the #include directives in a file, passing each one in - * turn to the callback cb. - */ -void cmeta_includes(const struct cmeta *cm, - void (*cb)(const char *f, bool issys, void *ctxt), void *ctxt); +struct cmeta { + char *sbase; + u32 nitems; // number of interesting macros + //u32 *itemoffs; // file offsets of interesting macros (ONE DAY!) + Token **itemtoks; // crappy linked token structures, for the time being + u8 *itemtypes; // CMETA_ITEM_* enum values +}; -/* - * Iterates through all commands and variables declared using the macros in - * con_.h, passing each one in turn to the callback cb. - */ -void cmeta_conmacros(const struct cmeta *cm, - void (*cb)(const char *name, bool isvar, bool unreg)); +enum cmeta_flag_cvar { + CMETA_CVAR_UNREG = 1, + CMETA_CVAR_FEAT = 2, +}; +enum cmeta_flag_ccmd { + CMETA_CCMD_UNREG = 1, + CMETA_CCMD_FEAT = 2, + CMETA_CCMD_PLUSMINUS = 4 +}; +enum cmeta_flag_event { + CMETA_EVENT_ISPREDICATE = 1 +}; +enum cmeta_flag_require { + CMETA_REQUIRE_OPTIONAL = 1, // i.e. REQUEST() macro, could be extended + CMETA_REQUIRE_GAMEDATA = 2, + CMETA_REQUIRE_GLOBAL = 4 +}; -/* - * Looks for a feature description macro in file, returning the description - * string if it exists, an empty string if the feature is defined without a - * user-facing description, and null if source file does not define a feature. - */ -const char *cmeta_findfeatmacro(const struct cmeta *cm); +struct cmeta_slice { const char *s; int len; }; -/* - * the various kinds of feature specficiation macros, besides the feature - * declaration macro itself - */ -enum cmeta_featmacro { - CMETA_FEAT_REQUIRE, - CMETA_FEAT_REQUIREGD, - CMETA_FEAT_REQUIREGLOBAL, - CMETA_FEAT_REQUEST, - CMETA_FEAT_PREINIT, - CMETA_FEAT_INIT, - CMETA_FEAT_END -}; +struct cmeta cmeta_loadfile(const os_char *path); +int cmeta_flags_cvar(const struct cmeta *cm, u32 i); +int cmeta_flags_ccmd(const struct cmeta *cm, u32 i); +int cmeta_flags_event(const struct cmeta *cm, u32 i); +int cmeta_flags_require(const struct cmeta *cm, u32 i); -/* - * Iterates through all feature dependency macros and init/end/preinit - * indicators, passing each bit of information to the callback cb. - * - * PREINT, INIT and END macros don't pass anything to param. - * - * This one takes a context pointer, while the others don't, because this is all - * cobbled together without much consistent abstraction. - */ -void cmeta_featinfomacros(const struct cmeta *cm, void (*cb)( - enum cmeta_featmacro type, const char *param, void *ctxt), void *ctxt); +int cmeta_nparams(const struct cmeta *cm, u32 i); +struct cmeta_param_iter { Token *cur; }; +struct cmeta_param_iter cmeta_param_iter_init(const struct cmeta *cm, u32 i); +struct cmeta_slice cmeta_param_iter(struct cmeta_param_iter *it); + +#define cmeta_param_foreach(varname, cm, u32) \ + switch (0) for (struct cmeta_slice varname; 0;) default: \ + for (struct cmeta_param_iter _it = cmeta_param_iter_init(cm, i); \ + varname = cmeta_param_iter(&_it), varname.s;) \ + /* {...} */ + +u32 cmeta_line(const struct cmeta *cm, u32 i); -/* - * Iterates through all event-related macros and takes note of which events are - * defined, giving a callback for each. - */ -void cmeta_evdefmacros(const struct cmeta *cm, void (*cb)(const char *name, - const char *const *params, int nparams, bool predicate)); -/* - * Iterates through all event-related macros and gives a callback for each event - * that is handled by the given module. - */ -void cmeta_evhandlermacros(const struct cmeta *cm, const char *modname, - void (*cb)(const char *evname, const char *modname)); #endif // vi: sw=4 ts=4 noet tw=80 cc=80 |